Kewaskum, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Kewaskum, a village in Washington County, Wisconsin.
Tonight
58°F
Rain Showers
Rain showers. Cloudy, with a low around 58. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Kewaskum
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 58°F | Rain Showers | 10 to 15 mph S | 88% |
| Wednesday | 64°F | Rain Showers | 10 to 15 mph S | 89% |
| Wednesday Night | 46°F | Chance Rain Showers then Light Rain Likely | 10 mph SW | 58% |
| Thursday | 54°F | Light Rain | 5 to 10 mph W | 75% |
| Thursday Night | 38°F | Chance Light Rain | 5 to 10 mph N | 54% |
| Friday | 48°F | Chance Light Rain then Mostly Cloudy | 10 to 15 mph N | 25% |
| Friday Night | 32°F | Mostly Cloudy | 0 to 5 mph N | 3% |
| Saturday | 51°F | Mostly Sunny | 0 to 5 mph W | 2% |
| Saturday Night | 33°F | Partly Cloudy | 0 mph | 8% |
| Sunday | 57°F | Slight Chance Light Rain | 5 to 10 mph W | 17% |
| Sunday Night | 34°F | Partly Cloudy | 5 mph W | 5% |
| Monday | 59°F | Mostly Sunny | 5 to 15 mph SW | 2% |
| Monday Night | 39°F | Partly Cloudy | 5 to 10 mph W | 1% |
| Tuesday | 59°F | Mostly Sunny | 5 to 10 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Kewaskum (43.518, -88.231). Updated through the day.
Growing snapshot for Kewaskum
Last spring frost
May 1
First fall frost
Oct 12
Growing season
161 days
Hardiness zone
5b
More local growing data for Kewaskum: nearby ZIP 53040 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, W Bend Public Works, Wi (8 mi from Kewaskum). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.